80008890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205151}}^1$

素因数の和:205174

約数の個数: 32

約数和(自身を含む): 206793216

約数和(自身を除く): 126784326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 205151, 410302, 615453, 1025755, 1230906, 2051510, 2666963, 3077265, 5333926, 6154530, 8000889, 13334815, 16001778, 26669630, 40004445, 80008890]

約数ペア:

[(1, 80008890), (2, 40004445), (3, 26669630), (5, 16001778), (6, 13334815), (10, 8000889), (13, 6154530), (15, 5333926), (26, 3077265), (30, 2666963), (39, 2051510), (65, 1230906), (78, 1025755), (130, 615453), (195, 410302), (390, 205151)]